4013045221 has 8 divisors (see below), whose sum is σ = 4228988544. Its totient is φ = 3800557200.

The previous prime is 4013045207. The next prime is 4013045249. The reversal of 4013045221 is 1225403104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4013045221 - 2¹³ = 4013037029 is a prime.

It is a super-2 number, since 2×4013045221² = 32209063891581877682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4013045192 and 4013045201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013045021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861441 + ... + 866086.

It is an arithmetic number, because the mean of its divisors is an integer number (528623568).

Almost surely, 2^4013045221 is an apocalyptic number.

It is an amenable number.

4013045221 is a deficient number, since it is larger than the sum of its proper divisors (215943323).

4013045221 is a wasteful number, since it uses less digits than its factorization.

4013045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727651.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4013045221 is about 63348.6007817063. The cubic root of 4013045221 is about 1589.1248458463.

Adding to 4013045221 its reverse (1225403104), we get a palindrome (5238448325).

The spelling of 4013045221 in words is "four billion, thirteen million, forty-five thousand, two hundred twenty-one".